Surgical correction of congenital mitral insufficiency.

J /1ost frequently, congenital mitral insufficiency is associated with other congenital heart defects, mainly of the endocardial cushion defect type. Clinical cases of isolated mitral insufficiency, although unusual,12 are being described with increasing frequency, and their clinical and pathologic features are being well documented.: Surgical correction of these uncommon types of isolated mitral incompetence are also being reported with increasing frequency. This report reviews our experience with 67 cases of congenital mitral insufficiency operated upon in our department in the past ten years.